909609480 has 512 divisors, whose sum is σ = 3585254400. Its totient is φ = 203046912.

The previous prime is 909609413. The next prime is 909609499. The reversal of 909609480 is 84906909.

It is a super-2 number, since 2×909609480² = 1654778812211740800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8831109 + ... + 8831211.

It is an arithmetic number, because the mean of its divisors is an integer number (7002450).

Almost surely, 2^909609480 is an apocalyptic number.

909609480 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 909609480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792627200).

909609480 is an abundant number, since it is smaller than the sum of its proper divisors (2675644920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

909609480 is a wasteful number, since it uses less digits than its factorization.

909609480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 909609480 is about 30159.7327574367. The cubic root of 909609480 is about 968.9134679124.

The spelling of 909609480 in words is "nine hundred nine million, six hundred nine thousand, four hundred eighty".